CN206942561U - 一种市政建筑用可降低防火隔烟卷幕摩擦毁损的结构 - Google Patents
一种市政建筑用可降低防火隔烟卷幕摩擦毁损的结构 Download PDFInfo
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TWI674346B (zh) * | 2018-03-26 | 2019-10-11 | 寰奇機電有限公司 | 具有滑順端部之防火防煙機箱 |
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TWI674346B (zh) * | 2018-03-26 | 2019-10-11 | 寰奇機電有限公司 | 具有滑順端部之防火防煙機箱 |
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Effective date of registration: 20200326 Address after: 644000 No.6, floor 1, unit 1, building 1, No.134 Xingda street, Xunchang Town, Gongxian County, Yibin City, Sichuan Province Patentee after: SICHUAN DENENG ENGINEERING PROJECT MANAGEMENT Co.,Ltd. Address before: 325036 Zhejiang Province, Wenzhou city Ouhai District Wu Tian 2 North Road, building 3, Salmonella second Patentee before: WENZHOU QIBANG ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20180130 Termination date: 20210526 |
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CF01 | Termination of patent right due to non-payment of annual fee |